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Viewing changes to src/output/p_pgs.cpp

  • Committer: Package Import Robot
  • Author(s): Christian Marillat
  • Date: 2015-04-26 10:36:27 UTC
  • mfrom: (1.1.29) (4.2.45 sid)
  • Revision ID: package-import@ubuntu.com-20150426103627-k53p8hrai2ynikaa
Tags: 7.8.0-1
New upstream release.

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src/output/p_pgs.cpp
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/*
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   mkvmerge -- utility for splicing together matroska files
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   from component media subtypes
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   Distributed under the GPL
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   see the file COPYING for details
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   or visit http://www.gnu.org/copyleft/gpl.html
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   PGS packetizer
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   Written by Moritz Bunkus <moritz@bunkus.org>.
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*/
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#include "common/common_pch.h"
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#include <matroska/KaxContentEncoding.h>
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#include "common/codec.h"
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#include "common/compression.h"
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#include "common/pgssup.h"
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#include "output/p_pgs.h"
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using namespace libmatroska;
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pgs_packetizer_c::pgs_packetizer_c(generic_reader_c *p_reader,
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                                   track_info_c &p_ti)
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  : generic_packetizer_c(p_reader, p_ti)
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  , m_aggregate_packets(false)
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{
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  set_track_type(track_subtitle);
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  set_default_compression_method(COMPRESSION_ZLIB);
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}
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pgs_packetizer_c::~pgs_packetizer_c() {
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}
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void
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pgs_packetizer_c::set_headers() {
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  set_codec_id(MKV_S_HDMV_PGS);
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  generic_packetizer_c::set_headers();
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  m_track_entry->EnableLacing(false);
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}
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int
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pgs_packetizer_c::process(packet_cptr packet) {
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  if (!m_aggregate_packets) {
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    add_packet(packet);
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    return FILE_STATUS_MOREDATA;
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  }
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  if (!m_aggregated) {
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    m_aggregated = packet;
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    m_aggregated->data->grab();
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  } else
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    m_aggregated->data->add(packet->data);
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  if (   (0                      != packet->data->get_size())
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      && (PGSSUP_DISPLAY_SEGMENT == packet->data->get_buffer()[0])) {
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    add_packet(m_aggregated);
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    m_aggregated.reset();
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  }
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  return FILE_STATUS_MOREDATA;
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}
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connection_result_e
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pgs_packetizer_c::can_connect_to(generic_packetizer_c *src,
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                                 std::string &) {
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  return !dynamic_cast<pgs_packetizer_c *>(src) ? CAN_CONNECT_NO_FORMAT : CAN_CONNECT_YES;
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}